Std Dome Top Pistons with 9.5:1 Compression Ratio. Fits Big Twin 1984-1999.

$564 $507.60

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SKU: KB920.STD Categories: , ,
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Features & Benefits:-

* Bore = 3.498in.

* Stroke = 4.250in.

* Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then fully machined

* Best resistance to cracking in hi-comp performance applications

* Require .001in. wider piston to wall clearance

* Complete kit includes: two pistons, rings, wrist pins and clips.

Tech Tips:-

* 9.5:1 Compression Ratio with 85cc Head Chamber Volume.

* Follow Ring End Gap & Pistonto Cylinder Clearances as per the supplied Manufacturers Instructions.

* Pull the engine down first & measure the existing bore to determine if oversize pistons are required PRIOR to purchase, we do not take back piston kits. The onus is on the assembling technician to validate the cylinders & required pistons.

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